Fix bug in adb track-devices where devices over wireless debugging wouldn't immediately receive updates.
Implement preliminary support for mDNS device discovery without a separately installed mDNS service. This is currently disabled by default, and can be enabled by setting the environment variable ADB_MDNS_OPEN_SCREEN to 1 when starting the adb server.
fastboot
Don't fail when unable to get boot partition size.
Derive device locked state from property instead of parsing the kernel command line.